We are not actively using ganglia for maps, so we can remove those without any issue.

Cool! Thanks for confirming. I had just kept it because there was no replacemente for postgres stats yet but that's also work in progress and coming up. Removed from maps and maps-test cluster just now :)

Ganglia has been uninstalled from the fleet, the aggregators are gone, the roles and the module is deleted, the DNS name is removed, for all purposes it's gone. The remaining hits for grepping "ganglia" across the repo are mostly related to the "ganglia_clusters" variable in Hiera which we should replace with LVS config or rename: